/* ============================================================
   悼念亡父亡母 · 静态纪念存档
   设计语言：水墨纸本（ink on paper）——全站仅以黑白灰为色，
   色彩只留给二老的生前照片。
   ============================================================ */

:root {
  --ink: #0a0a0a;          /* 墨色 · 正文 */
  --ink-2: #3a3a3a;        /* 淡墨 · 次级 */
  --ink-3: #6e6e6e;        /* 灰墨 · 注释 */
  --paper: #fafafa;        /* 纸色 · 底色 */
  --paper-2: #f2f2f0;      /* 纸色略沉 */
  --line: #e5e5e5;         /* 细线 */
  --line-dark: #2a2a2a;    /* 深底细线 */
  --font-song: "Noto Serif SC", "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", serif;
  --font-kai: "Kaiti SC", "STKaiti", "KaiTi", "DFKai-SB", "Noto Serif SC", serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --measure: 44rem;        /* 阅读栏宽 */
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-song);
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

::selection { background: var(--ink); color: var(--paper); }

/* ---------- 入场动效（克制的浮现） ---------- */
/* 仅在 JS 可用时才先隐藏（.js 由页面内联脚本即刻加上），
   无 JS 时内容默认完全可见，永不被动效“卡住”。 */
html.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  filter: blur(6px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out), filter .7s var(--ease-out);
}
html.js .reveal.in { opacity: 1; transform: none; filter: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; filter: none; transition: none; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- 顶部导航 ---------- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1.5rem;
  height: 60px;
  background: rgba(250, 250, 250, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  white-space: nowrap;
}
.brand::before {
  content: "";
  display: inline-block;
  width: 0.55em;
  height: 0.55em;
  margin-right: 0.55em;
  background: var(--ink);
  border-radius: 50%;
  vertical-align: baseline;
}
.site-nav {
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.site-nav::-webkit-scrollbar { display: none; }
.site-nav a {
  position: relative;
  display: block;
  padding: 0.55rem 0.8rem;
  font-size: 0.92rem;
  letter-spacing: 0.1em;
  color: var(--ink-2);
  white-space: nowrap;
  transition: color .25s var(--ease-out);
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0.8rem;
  right: 0.8rem;
  bottom: 0.35rem;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease-out);
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { transform: scaleX(1); }
.site-nav a[aria-current="page"] { color: var(--ink); font-weight: 700; }
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }

/* ---------- 首屏 · 灵堂 ---------- */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 30%;
  opacity: 0.16;
  filter: grayscale(1);
}
.hero-inner {
  position: relative;
  max-width: 72rem;
  margin: 0 auto;
  padding: 6.5rem 1.5rem 5rem;
  text-align: center;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 1.2em;
  font-size: 0.95rem;
  letter-spacing: 0.65em;
  text-indent: 0.65em;
  color: #b9b9b9;
  margin-bottom: 2.2rem;
}
.hero-kicker::before, .hero-kicker::after {
  content: "";
  width: 3.5rem;
  height: 1px;
  background: var(--line-dark);
}
.hero-names {
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.5;
}
.hero-names .dot { color: #555; margin: 0 0.35em; font-weight: 400; }
.hero-dates {
  margin-top: 1.6rem;
  font-size: 0.98rem;
  letter-spacing: 0.2em;
  color: #a8a8a8;
}
.hero-dates span { margin: 0 0.9em; white-space: nowrap; }

/* 遗像框（黑纱挽结） */
.portraits {
  position: relative;
  display: flex;
  justify-content: center;
  gap: clamp(1.2rem, 5vw, 4rem);
  padding: 3.2rem 1.5rem 4.5rem;
  background: var(--ink);
}
.memorial-frame {
  position: relative;
  width: min(38vw, 240px);
  background: var(--paper);
  padding: 10px 10px 14px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.55);
}
.memorial-frame img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center 18%;
  filter: grayscale(1) contrast(1.03);
}
.memorial-frame figcaption {
  margin-top: 0.65rem;
  text-align: center;
  font-size: 0.92rem;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: var(--ink);
}
/* 黑纱挽结 */
.memorial-frame .mourning-knot {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 54px;
  height: 28px;
  z-index: 2;
}

/* ---------- 讣告书 ---------- */
.obituary {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 5.5rem 1.5rem;
}
.obituary-mark {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.6rem;
  color: var(--ink-3);
  font-size: 0.85rem;
  letter-spacing: 0.5em;
}
.obituary-mark::before, .obituary-mark::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.obituary p {
  margin-bottom: 1.35em;
  text-align: justify;
}
.obituary p.salute { text-indent: 0; }
.obituary p.body-line { text-indent: 2em; }
.obituary .sign {
  margin-top: 2.6em;
  text-align: right;
  font-family: var(--font-kai);
  font-size: 1.06rem;
  letter-spacing: 0.08em;
}

/* ---------- 栏目索引（档案列表） ---------- */
.index-section {
  border-top: 1px solid var(--line);
  max-width: 72rem;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 6rem;
}
.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.4rem;
  font-size: 0.85rem;
  letter-spacing: 0.5em;
  color: var(--ink-3);
}
.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.archive-list { list-style: none; border-top: 1px solid var(--line); }
.archive-row a {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1.4rem;
  padding: 1.7rem 0.4rem;
  border-bottom: 1px solid var(--line);
  transition: background .3s var(--ease-out), padding .3s var(--ease-out);
}
.archive-row a:hover { background: var(--paper-2); padding-left: 1rem; padding-right: 1rem; }
.archive-row .row-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}
.archive-row .row-desc {
  margin-top: 0.35rem;
  font-size: 0.92rem;
  color: var(--ink-3);
  letter-spacing: 0.06em;
}
.archive-row .row-thumb {
  width: 96px;
  height: 96px;
  object-fit: cover;
  filter: grayscale(1);
  transition: filter .4s var(--ease-out), transform .4s var(--ease-out);
}
.archive-row a:hover .row-thumb { filter: grayscale(0); transform: scale(1.04); }
.archive-row .row-go {
  display: inline-block;
  margin-left: 1rem;
  color: var(--ink-3);
  transition: transform .3s var(--ease-out), color .3s var(--ease-out);
}
.archive-row a:hover .row-go { transform: translateX(5px); color: var(--ink); }

/* ---------- 页脚 ---------- */
.site-foot {
  background: var(--ink);
  color: #9a9a9a;
  text-align: center;
  padding: 3.4rem 1.5rem 3rem;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  line-height: 2.1;
}
.site-foot .foot-names {
  color: var(--paper);
  font-size: 1rem;
  letter-spacing: 0.3em;
  margin-bottom: 0.6rem;
}
.site-foot .foot-rule {
  width: 3rem;
  height: 1px;
  background: var(--line-dark);
  margin: 1.1rem auto;
}

/* ---------- 通用页头 ---------- */
.page-head {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
  text-align: center;
}
.page-head h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
}
.page-head .sub {
  margin-top: 1.1rem;
  color: var(--ink-3);
  font-size: 0.95rem;
  letter-spacing: 0.14em;
}

/* ---------- 生前点滴 · 照片墙 ---------- */
.gallery-wrap {
  max-width: 76rem;
  margin: 0 auto;
  padding: 0 1.5rem 6rem;
}
.gallery {
  columns: 4 240px;
  column-gap: 14px;
}
.gallery figure {
  break-inside: avoid;
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
  background: var(--paper-2);
}
.gallery button {
  display: block;
  width: 100%;
  border: 0;
  padding: 0;
  background: none;
  cursor: zoom-in;
}
.gallery img {
  width: 100%;
  transition: transform .5s var(--ease-out), filter .5s var(--ease-out);
}
.gallery button:hover img { transform: scale(1.03); }

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 8, 8, 0.96);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease-out), visibility .3s;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: 92vw;
  max-height: 86vh;
  object-fit: contain;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}
.lb-btn {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: var(--paper);
  font-size: 1.4rem;
  cursor: pointer;
  transition: background .25s var(--ease-out), transform .25s var(--ease-out);
}
.lb-btn:hover { background: rgba(255, 255, 255, 0.16); }
.lb-close { top: 18px; right: 18px; }
.lb-prev { left: 14px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 14px; top: 50%; transform: translateY(-50%); }
.lb-count {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: #9a9a9a;
  font-size: 0.85rem;
  letter-spacing: 0.25em;
}
@media (max-width: 640px) {
  .lb-prev, .lb-next { display: none; }
}

/* ---------- 亲友悼言 ---------- */
.prose {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1.5rem 6rem;
}
.lead-image {
  max-width: 300px;
  margin: 0 auto 3.5rem;
}
.lead-image img { width: 100%; }
.tribute {
  padding: 2rem 0 1.7rem;
  border-top: 1px solid var(--line);
}
.tribute:first-of-type { border-top: 0; }
.tribute p { margin-bottom: 1em; text-align: justify; }
.tribute p:last-of-type { margin-bottom: 0; }
.tribute cite {
  display: block;
  margin-top: 1.2em;
  text-align: right;
  font-style: normal;
  font-family: var(--font-kai);
  font-size: 1rem;
  letter-spacing: 0.06em;
  color: var(--ink-2);
}
.tribute .tribute-photo {
  margin: 1.6rem auto 0;
  max-width: 460px;
}
.tribute.featured {
  border-top: 0;
  padding-top: 0.5rem;
}
.tribute.featured p { font-size: 1.06rem; }

/* 悼文索引卡 */
.elegy-card {
  display: block;
  margin: 2.6rem 0;
  padding: 1.8rem 1.6rem;
  border: 1px solid var(--line);
  transition: border-color .3s var(--ease-out), background .3s var(--ease-out);
}
.elegy-card:hover { border-color: var(--ink); background: var(--paper-2); }
.elegy-card .elegy-kind {
  font-size: 0.8rem;
  letter-spacing: 0.4em;
  color: var(--ink-3);
}
.elegy-card h3 {
  margin: 0.6rem 0 0.8rem;
  font-size: 1.3rem;
  letter-spacing: 0.08em;
}
.elegy-card p {
  color: var(--ink-2);
  font-size: 0.95rem;
  margin-bottom: 0.9rem;
}
.elegy-card .elegy-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.9rem;
  color: var(--ink-3);
}
.elegy-card .elegy-meta .go { letter-spacing: 0.2em; }

/* ---------- 悼念文（长文页） ---------- */
.article-head {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
  text-align: center;
}
.article-head .article-kind {
  font-size: 0.82rem;
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  color: var(--ink-3);
  margin-bottom: 1.4rem;
}
.article-head h1 {
  font-size: clamp(1.8rem, 4.2vw, 2.5rem);
  letter-spacing: 0.14em;
  line-height: 1.6;
}
.article-head .article-author {
  margin-top: 1.4rem;
  font-family: var(--font-kai);
  font-size: 1.02rem;
  color: var(--ink-2);
  letter-spacing: 0.1em;
}
.article-body {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
}
.article-body p {
  margin-bottom: 1.5em;
  text-align: justify;
  text-indent: 2em;
}
.article-body p.no-indent { text-indent: 0; }
.article-body .poem {
  margin: 2.4rem 0;
  text-align: center;
  font-family: var(--font-kai);
  font-size: 1.15rem;
  line-height: 2.2;
  letter-spacing: 0.12em;
}
.article-body .poem p { text-indent: 0; margin-bottom: 0.2em; text-align: center; }
.article-end {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 3.2rem auto 0;
  max-width: var(--measure);
  padding: 0 1.5rem;
  color: var(--ink-3);
  font-family: var(--font-kai);
  letter-spacing: 0.15em;
}
.article-end::before, .article-end::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.back-row {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1.5rem 6rem;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.3em;
  transition: color .25s var(--ease-out), border-color .25s var(--ease-out);
}
.back-link:hover { color: var(--ink); border-color: var(--ink); }

/* ---------- 请您留言 ---------- */
.remark-note {
  max-width: var(--measure);
  margin: 0 auto 3rem;
  padding: 0 1.5rem;
  text-align: center;
  color: var(--ink-2);
}
.remark-form {
  max-width: 34rem;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}
.field { margin-bottom: 1.8rem; }
.field label {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 0.92rem;
  letter-spacing: 0.2em;
  color: var(--ink-2);
}
.field input[type="text"],
.field input[type="email"],
.field textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0;
  transition: border-color .25s var(--ease-out);
}
.field textarea { min-height: 9rem; resize: vertical; }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--ink);
}
.field input[type="file"] {
  width: 100%;
  font-size: 0.9rem;
  color: var(--ink-3);
}
.submit-btn {
  display: block;
  width: 100%;
  padding: 1rem;
  font: inherit;
  font-size: 1rem;
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: background .3s var(--ease-out), color .3s var(--ease-out);
}
.submit-btn:hover { background: var(--paper); color: var(--ink); }
.submit-btn:disabled { opacity: 0.55; cursor: wait; }
.form-feedback {
  margin-top: 1.2rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--line);
  background: var(--paper-2);
  font-size: 0.95rem;
  color: var(--ink-2);
  display: none;
}
.form-feedback.show { display: block; }

/* ---------- 安息之地 ---------- */
.rest-place { max-width: 52rem; margin: 0 auto; padding: 0 1.5rem 6rem; }
.rest-place .rest-text {
  max-width: var(--measure);
  margin: 0 auto 3rem;
  text-align: center;
  font-size: 1.08rem;
  line-height: 2;
}
.rest-place figure { margin-bottom: 2.2rem; }
.rest-place figcaption {
  margin-top: 0.8rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--ink-3);
  letter-spacing: 0.12em;
}

/* ---------- 移动端 ---------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .site-head { padding: 0 0.9rem; height: 54px; }
  .brand { font-size: 0.95rem; letter-spacing: 0.08em; }
  .site-nav a { padding: 0.5rem 0.55rem; font-size: 0.85rem; }
  .hero-inner { padding: 4.2rem 1.2rem 3.2rem; }
  .hero-bg { opacity: 0.12; }
  .hero-names { letter-spacing: 0.06em; }
  .hero-names .name-unit { white-space: nowrap; }
  .hero-dates { letter-spacing: 0.1em; }
  .hero-dates span { display: block; margin: 0.35em 0; white-space: normal; line-height: 1.9; }
  .portraits { gap: 0.9rem; padding: 2.4rem 1rem 3.4rem; }
  .memorial-frame { padding: 7px 7px 10px; }
  .memorial-frame figcaption { font-size: 0.8rem; letter-spacing: 0.18em; }
  .obituary { padding: 3.8rem 1.3rem; }
  .index-section { padding: 3.2rem 1.3rem 4.5rem; }
  .archive-row .row-thumb { width: 64px; height: 64px; }
  .archive-row .row-title { font-size: 1.12rem; }
  .page-head { padding: 3.4rem 1.3rem 2.2rem; }
  .gallery-wrap { padding: 0 1rem 4rem; }
  .gallery { columns: 2 150px; column-gap: 10px; }
  .gallery figure { margin-bottom: 10px; }
  .prose { padding: 0 1.3rem 4.5rem; }
  .article-head { padding: 3.4rem 1.3rem 2.2rem; }
  .article-body { padding: 0 1.3rem 3.5rem; }
  .rest-place { padding: 0 1.3rem 4.5rem; }
}